1361251442002 has 8 divisors (see below), whose sum is σ = 2041949580300. Its totient is φ = 680601581904.

The previous prime is 1361251441933. The next prime is 1361251442017. The reversal of 1361251442002 is 2002441521631.

It can be written as a sum of positive squares in 2 ways, for example, as 1293135139921 + 68116302081 = 1137161^2 + 260991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11998977 + ... + 12111892.

Almost surely, 2^{1361251442002} is an apocalyptic number.

1361251442002 is a deficient number, since it is larger than the sum of its proper divisors (680698138298).

1361251442002 is a wasteful number, since it uses less digits than its factorization.

1361251442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24139100.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1361251442002 its reverse (2002441521631), we get a palindrome (3363692963633).

The spelling of 1361251442002 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-one million, four hundred forty-two thousand, two".